30115284 has 24 divisors (see below), whose sum is σ = 70744800. Its totient is φ = 9970464.

The previous prime is 30115237. The next prime is 30115301. The reversal of 30115284 is 48251103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6634 + ... + 10209.

It is an arithmetic number, because the mean of its divisors is an integer number (2947700).

Almost surely, 2^30115284 is an apocalyptic number.

It is an amenable number.

30115284 is an abundant number, since it is smaller than the sum of its proper divisors (40629516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30115284 is a wasteful number, since it uses less digits than its factorization.

30115284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16999 (or 16997 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 30115284 is about 5487.7394253007. The cubic root of 30115284 is about 311.1207576185.

Adding to 30115284 its reverse (48251103), we get a palindrome (78366387).

The spelling of 30115284 in words is "thirty million, one hundred fifteen thousand, two hundred eighty-four".